Xiao Liang created HDFS-15517:
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Summary: Add operation names for all logics calling
FSNamesystem#writeUnlock() to record their writeLock held times
Key: HDFS-15517
URL: https://issues.apache.org/jira/browse/HDFS-15517
Project: Hadoop HDFS
Issue Type: Improvement
Components: metrics, namenode
Affects Versions: 3.3.0, 2.9.0
Reporter: Xiao Liang
Fix For: 3.3.0, 2.9.0
Add operation names for all logics calling FSNamesystem#writeUnlock() to record
their writeLock held times, to get detailed counter metrics for them, instead
of using "OTHER", this is helpful for performance analysis.
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